./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c ............................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: only flexible array member at the end can have non-constant size --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:06:59,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:06:59,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:06:59,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:06:59,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:06:59,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:06:59,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:06:59,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:06:59,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:06:59,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:06:59,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:06:59,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:06:59,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:06:59,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:06:59,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:06:59,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:06:59,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:06:59,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:06:59,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:06:59,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:06:59,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:06:59,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:06:59,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:06:59,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:06:59,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:06:59,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:06:59,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:06:59,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:06:59,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:06:59,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:06:59,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:06:59,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:06:59,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:06:59,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:06:59,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:06:59,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:06:59,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:06:59,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:06:59,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:06:59,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:06:59,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:06:59,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-21 20:06:59,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:06:59,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:06:59,912 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:06:59,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:06:59,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:06:59,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:06:59,914 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:06:59,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:06:59,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:06:59,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:06:59,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:06:59,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:06:59,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:06:59,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:06:59,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:06:59,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:06:59,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:06:59,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:06:59,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:06:59,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:06:59,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:06:59,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:06:59,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:06:59,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:06:59,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:06:59,922 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:06:59,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:06:59,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:06:59,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:06:59,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c [2021-10-21 20:07:00,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:07:00,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:07:00,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:07:00,221 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:07:00,222 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:07:00,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-10-21 20:07:00,301 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/data/f9b465411/7b2f22ad073448a4aa9c3a2153b83cfd/FLAG7e89624bc [2021-10-21 20:07:01,311 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:07:01,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-10-21 20:07:01,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/data/f9b465411/7b2f22ad073448a4aa9c3a2153b83cfd/FLAG7e89624bc [2021-10-21 20:07:01,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/data/f9b465411/7b2f22ad073448a4aa9c3a2153b83cfd [2021-10-21 20:07:01,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:07:01,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:07:01,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:07:01,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:07:01,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:07:01,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:07:01" (1/1) ... [2021-10-21 20:07:01,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d3b5bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:01, skipping insertion in model container [2021-10-21 20:07:01,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:07:01" (1/1) ... [2021-10-21 20:07:01,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:07:01,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:07:03,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i[199632,199645] [2021-10-21 20:07:03,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:07:03,475 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:07:03,848 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i[199632,199645] [2021-10-21 20:07:03,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:07:04,366 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:07:04,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04 WrapperNode [2021-10-21 20:07:04,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:07:04,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:07:04,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:07:04,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:07:04,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04" (1/1) ... [2021-10-21 20:07:04,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04" (1/1) ... [2021-10-21 20:07:04,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:07:04,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:07:04,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:07:04,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:07:04,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04" (1/1) ... [2021-10-21 20:07:04,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04" (1/1) ... [2021-10-21 20:07:04,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04" (1/1) ... [2021-10-21 20:07:04,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04" (1/1) ... [2021-10-21 20:07:05,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04" (1/1) ... [2021-10-21 20:07:05,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04" (1/1) ... [2021-10-21 20:07:05,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04" (1/1) ... [2021-10-21 20:07:05,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:07:05,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:07:05,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:07:05,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:07:05,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04" (1/1) ... [2021-10-21 20:07:05,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:07:05,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:05,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:05,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:07:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-21 20:07:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 20:07:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 20:07:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:07:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:07:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 20:07:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 20:07:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:07:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 20:07:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:07:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 20:07:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:07:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-10-21 20:07:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-10-21 20:07:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:07:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:07:05,714 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:07:05,787 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:07:10,945 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##522: assume !false; [2021-10-21 20:07:10,946 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##521: assume false; [2021-10-21 20:07:10,946 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2021-10-21 20:07:10,946 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2021-10-21 20:07:10,975 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:07:10,975 INFO L299 CfgBuilder]: Removed 647 assume(true) statements. [2021-10-21 20:07:10,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:10 BoogieIcfgContainer [2021-10-21 20:07:10,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:07:10,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:07:10,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:07:10,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:07:10,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:07:01" (1/3) ... [2021-10-21 20:07:10,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464c33dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:07:10, skipping insertion in model container [2021-10-21 20:07:10,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:04" (2/3) ... [2021-10-21 20:07:10,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464c33dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:07:10, skipping insertion in model container [2021-10-21 20:07:10,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:10" (3/3) ... [2021-10-21 20:07:10,989 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-10-21 20:07:10,994 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:07:10,995 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-10-21 20:07:11,065 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:07:11,073 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:07:11,074 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-10-21 20:07:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 689 states, 674 states have (on average 1.4940652818991098) internal successors, (1007), 688 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 20:07:11,108 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:11,108 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:11,109 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:11,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:11,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1802578412, now seen corresponding path program 1 times [2021-10-21 20:07:11,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:11,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764329657] [2021-10-21 20:07:11,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:11,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:11,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:11,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:11,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764329657] [2021-10-21 20:07:11,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764329657] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:11,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:11,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:07:11,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213707551] [2021-10-21 20:07:11,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:11,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:11,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:11,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:11,759 INFO L87 Difference]: Start difference. First operand has 689 states, 674 states have (on average 1.4940652818991098) internal successors, (1007), 688 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:12,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:12,013 INFO L93 Difference]: Finished difference Result 2020 states and 2970 transitions. [2021-10-21 20:07:12,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:12,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 20:07:12,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:12,045 INFO L225 Difference]: With dead ends: 2020 [2021-10-21 20:07:12,046 INFO L226 Difference]: Without dead ends: 1312 [2021-10-21 20:07:12,055 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:12,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2021-10-21 20:07:12,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1288. [2021-10-21 20:07:12,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 1274 states have (on average 1.2896389324960753) internal successors, (1643), 1287 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1643 transitions. [2021-10-21 20:07:12,204 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1643 transitions. Word has length 11 [2021-10-21 20:07:12,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:12,205 INFO L470 AbstractCegarLoop]: Abstraction has 1288 states and 1643 transitions. [2021-10-21 20:07:12,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1643 transitions. [2021-10-21 20:07:12,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-21 20:07:12,206 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:12,207 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:12,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:07:12,208 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:12,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:12,211 INFO L82 PathProgramCache]: Analyzing trace with hash 45356904, now seen corresponding path program 1 times [2021-10-21 20:07:12,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:12,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904171074] [2021-10-21 20:07:12,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:12,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:12,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:12,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904171074] [2021-10-21 20:07:12,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904171074] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:12,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:12,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:07:12,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147230642] [2021-10-21 20:07:12,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:12,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:12,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:12,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:12,432 INFO L87 Difference]: Start difference. First operand 1288 states and 1643 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:12,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:12,478 INFO L93 Difference]: Finished difference Result 1288 states and 1643 transitions. [2021-10-21 20:07:12,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:12,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-21 20:07:12,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:12,489 INFO L225 Difference]: With dead ends: 1288 [2021-10-21 20:07:12,489 INFO L226 Difference]: Without dead ends: 1283 [2021-10-21 20:07:12,490 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:12,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2021-10-21 20:07:12,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1283. [2021-10-21 20:07:12,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1283 states, 1270 states have (on average 1.2858267716535432) internal successors, (1633), 1282 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:12,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1633 transitions. [2021-10-21 20:07:12,558 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1633 transitions. Word has length 12 [2021-10-21 20:07:12,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:12,559 INFO L470 AbstractCegarLoop]: Abstraction has 1283 states and 1633 transitions. [2021-10-21 20:07:12,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1633 transitions. [2021-10-21 20:07:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-21 20:07:12,566 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:12,566 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:12,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:07:12,567 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:12,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:12,569 INFO L82 PathProgramCache]: Analyzing trace with hash -965110428, now seen corresponding path program 1 times [2021-10-21 20:07:12,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:12,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473538456] [2021-10-21 20:07:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:12,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:12,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:12,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473538456] [2021-10-21 20:07:12,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473538456] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:12,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:12,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:12,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096065625] [2021-10-21 20:07:12,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:12,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:12,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:12,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:12,776 INFO L87 Difference]: Start difference. First operand 1283 states and 1633 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:12,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:12,906 INFO L93 Difference]: Finished difference Result 3119 states and 4010 transitions. [2021-10-21 20:07:12,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:12,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-21 20:07:12,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:12,919 INFO L225 Difference]: With dead ends: 3119 [2021-10-21 20:07:12,919 INFO L226 Difference]: Without dead ends: 1844 [2021-10-21 20:07:12,922 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:12,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2021-10-21 20:07:13,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1840. [2021-10-21 20:07:13,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1827 states have (on average 1.30103995621237) internal successors, (2377), 1839 states have internal predecessors, (2377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2377 transitions. [2021-10-21 20:07:13,041 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2377 transitions. Word has length 35 [2021-10-21 20:07:13,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:13,042 INFO L470 AbstractCegarLoop]: Abstraction has 1840 states and 2377 transitions. [2021-10-21 20:07:13,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:13,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2377 transitions. [2021-10-21 20:07:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-21 20:07:13,054 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:13,054 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:13,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:07:13,054 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:13,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:13,055 INFO L82 PathProgramCache]: Analyzing trace with hash -2056089327, now seen corresponding path program 1 times [2021-10-21 20:07:13,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:13,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715569676] [2021-10-21 20:07:13,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:13,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:13,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:13,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:13,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715569676] [2021-10-21 20:07:13,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715569676] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:13,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:13,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:07:13,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318438846] [2021-10-21 20:07:13,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:07:13,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:13,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:07:13,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:07:13,231 INFO L87 Difference]: Start difference. First operand 1840 states and 2377 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:13,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:13,489 INFO L93 Difference]: Finished difference Result 3679 states and 4752 transitions. [2021-10-21 20:07:13,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:07:13,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-10-21 20:07:13,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:13,501 INFO L225 Difference]: With dead ends: 3679 [2021-10-21 20:07:13,501 INFO L226 Difference]: Without dead ends: 1842 [2021-10-21 20:07:13,504 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:13,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2021-10-21 20:07:13,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1838. [2021-10-21 20:07:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1825 states have (on average 1.2991780821917809) internal successors, (2371), 1837 states have internal predecessors, (2371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:13,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2371 transitions. [2021-10-21 20:07:13,584 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2371 transitions. Word has length 53 [2021-10-21 20:07:13,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:13,585 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 2371 transitions. [2021-10-21 20:07:13,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2371 transitions. [2021-10-21 20:07:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-21 20:07:13,587 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:13,587 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:13,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:07:13,588 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:13,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:13,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1050619864, now seen corresponding path program 1 times [2021-10-21 20:07:13,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:13,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243946954] [2021-10-21 20:07:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:13,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:13,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:13,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:13,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243946954] [2021-10-21 20:07:13,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243946954] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:13,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:13,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:13,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889705231] [2021-10-21 20:07:13,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:13,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:13,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:13,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:13,776 INFO L87 Difference]: Start difference. First operand 1838 states and 2371 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:14,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:14,067 INFO L93 Difference]: Finished difference Result 5464 states and 7047 transitions. [2021-10-21 20:07:14,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:07:14,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-10-21 20:07:14,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:14,090 INFO L225 Difference]: With dead ends: 5464 [2021-10-21 20:07:14,090 INFO L226 Difference]: Without dead ends: 3632 [2021-10-21 20:07:14,096 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:07:14,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3632 states. [2021-10-21 20:07:14,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3632 to 1841. [2021-10-21 20:07:14,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1828 states have (on average 1.298140043763676) internal successors, (2373), 1840 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:14,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2373 transitions. [2021-10-21 20:07:14,260 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2373 transitions. Word has length 78 [2021-10-21 20:07:14,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:14,262 INFO L470 AbstractCegarLoop]: Abstraction has 1841 states and 2373 transitions. [2021-10-21 20:07:14,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2373 transitions. [2021-10-21 20:07:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-21 20:07:14,265 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:14,265 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:14,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:07:14,270 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:14,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:14,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1494520538, now seen corresponding path program 1 times [2021-10-21 20:07:14,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:14,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765197185] [2021-10-21 20:07:14,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:14,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:14,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:14,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765197185] [2021-10-21 20:07:14,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765197185] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:14,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:14,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:14,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908070825] [2021-10-21 20:07:14,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:14,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:14,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:14,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:14,488 INFO L87 Difference]: Start difference. First operand 1841 states and 2373 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:14,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:14,830 INFO L93 Difference]: Finished difference Result 5587 states and 7218 transitions. [2021-10-21 20:07:14,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:07:14,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-10-21 20:07:14,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:14,851 INFO L225 Difference]: With dead ends: 5587 [2021-10-21 20:07:14,851 INFO L226 Difference]: Without dead ends: 3755 [2021-10-21 20:07:14,856 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 33.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:07:14,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2021-10-21 20:07:14,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 1853. [2021-10-21 20:07:14,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1853 states, 1840 states have (on average 1.296195652173913) internal successors, (2385), 1852 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:14,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2385 transitions. [2021-10-21 20:07:14,984 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2385 transitions. Word has length 78 [2021-10-21 20:07:14,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:14,984 INFO L470 AbstractCegarLoop]: Abstraction has 1853 states and 2385 transitions. [2021-10-21 20:07:14,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2385 transitions. [2021-10-21 20:07:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-21 20:07:14,995 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:14,995 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:14,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:07:14,995 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:14,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:14,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1517152792, now seen corresponding path program 1 times [2021-10-21 20:07:14,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:14,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919557195] [2021-10-21 20:07:14,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:14,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:15,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:15,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919557195] [2021-10-21 20:07:15,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919557195] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:15,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:15,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:15,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612226076] [2021-10-21 20:07:15,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:15,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:15,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:15,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:15,154 INFO L87 Difference]: Start difference. First operand 1853 states and 2385 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:22,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:22,526 INFO L93 Difference]: Finished difference Result 3616 states and 4663 transitions. [2021-10-21 20:07:22,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:07:22,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-10-21 20:07:22,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:22,547 INFO L225 Difference]: With dead ends: 3616 [2021-10-21 20:07:22,548 INFO L226 Difference]: Without dead ends: 3554 [2021-10-21 20:07:22,550 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 33.6ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:07:22,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3554 states. [2021-10-21 20:07:22,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3554 to 1853. [2021-10-21 20:07:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1853 states, 1840 states have (on average 1.295108695652174) internal successors, (2383), 1852 states have internal predecessors, (2383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2383 transitions. [2021-10-21 20:07:22,699 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2383 transitions. Word has length 78 [2021-10-21 20:07:22,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:22,699 INFO L470 AbstractCegarLoop]: Abstraction has 1853 states and 2383 transitions. [2021-10-21 20:07:22,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:22,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2383 transitions. [2021-10-21 20:07:22,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-21 20:07:22,701 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:22,701 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:22,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:07:22,702 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:22,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:22,702 INFO L82 PathProgramCache]: Analyzing trace with hash 948357624, now seen corresponding path program 1 times [2021-10-21 20:07:22,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:22,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725349794] [2021-10-21 20:07:22,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:22,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:22,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:22,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:22,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725349794] [2021-10-21 20:07:22,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725349794] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:22,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:22,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:22,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333051689] [2021-10-21 20:07:22,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:07:22,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:22,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:07:22,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:07:22,957 INFO L87 Difference]: Start difference. First operand 1853 states and 2383 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:23,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:23,480 INFO L93 Difference]: Finished difference Result 2830 states and 3618 transitions. [2021-10-21 20:07:23,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:07:23,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-10-21 20:07:23,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:23,496 INFO L225 Difference]: With dead ends: 2830 [2021-10-21 20:07:23,496 INFO L226 Difference]: Without dead ends: 2806 [2021-10-21 20:07:23,498 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:07:23,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2021-10-21 20:07:23,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2756. [2021-10-21 20:07:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 2743 states have (on average 1.2967553773240976) internal successors, (3557), 2755 states have internal predecessors, (3557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3557 transitions. [2021-10-21 20:07:23,690 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3557 transitions. Word has length 79 [2021-10-21 20:07:23,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:23,691 INFO L470 AbstractCegarLoop]: Abstraction has 2756 states and 3557 transitions. [2021-10-21 20:07:23,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3557 transitions. [2021-10-21 20:07:23,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-21 20:07:23,693 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:23,693 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:23,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:07:23,693 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:23,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:23,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1804226248, now seen corresponding path program 1 times [2021-10-21 20:07:23,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:23,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686513179] [2021-10-21 20:07:23,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:23,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:23,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:23,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:23,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686513179] [2021-10-21 20:07:23,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686513179] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:23,974 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:23,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:23,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520854085] [2021-10-21 20:07:23,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:23,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:23,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:23,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:23,978 INFO L87 Difference]: Start difference. First operand 2756 states and 3557 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:28,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:28,153 INFO L93 Difference]: Finished difference Result 6794 states and 8773 transitions. [2021-10-21 20:07:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:07:28,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-10-21 20:07:28,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:28,175 INFO L225 Difference]: With dead ends: 6794 [2021-10-21 20:07:28,175 INFO L226 Difference]: Without dead ends: 3952 [2021-10-21 20:07:28,181 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 64.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:07:28,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-10-21 20:07:28,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 2144. [2021-10-21 20:07:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2144 states, 2131 states have (on average 1.302674800563116) internal successors, (2776), 2143 states have internal predecessors, (2776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 2144 states and 2776 transitions. [2021-10-21 20:07:28,354 INFO L78 Accepts]: Start accepts. Automaton has 2144 states and 2776 transitions. Word has length 79 [2021-10-21 20:07:28,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:28,354 INFO L470 AbstractCegarLoop]: Abstraction has 2144 states and 2776 transitions. [2021-10-21 20:07:28,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2776 transitions. [2021-10-21 20:07:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-21 20:07:28,356 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:28,356 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:28,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:07:28,358 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:28,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:28,363 INFO L82 PathProgramCache]: Analyzing trace with hash 559162765, now seen corresponding path program 1 times [2021-10-21 20:07:28,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:28,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376327611] [2021-10-21 20:07:28,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:28,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:28,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:28,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:28,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376327611] [2021-10-21 20:07:28,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376327611] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:28,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:28,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:28,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882030957] [2021-10-21 20:07:28,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:28,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:28,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:28,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:28,533 INFO L87 Difference]: Start difference. First operand 2144 states and 2776 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:35,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:35,601 INFO L93 Difference]: Finished difference Result 3914 states and 5068 transitions. [2021-10-21 20:07:35,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:07:35,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-10-21 20:07:35,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:35,622 INFO L225 Difference]: With dead ends: 3914 [2021-10-21 20:07:35,623 INFO L226 Difference]: Without dead ends: 3859 [2021-10-21 20:07:35,624 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 31.8ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:07:35,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2021-10-21 20:07:35,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 2149. [2021-10-21 20:07:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 2136 states have (on average 1.301498127340824) internal successors, (2780), 2148 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:35,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2780 transitions. [2021-10-21 20:07:35,803 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2780 transitions. Word has length 85 [2021-10-21 20:07:35,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:35,804 INFO L470 AbstractCegarLoop]: Abstraction has 2149 states and 2780 transitions. [2021-10-21 20:07:35,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:35,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2780 transitions. [2021-10-21 20:07:35,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-21 20:07:35,806 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:35,806 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:35,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 20:07:35,806 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:35,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:35,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1810418226, now seen corresponding path program 1 times [2021-10-21 20:07:35,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:35,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526261529] [2021-10-21 20:07:35,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:35,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:36,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:36,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526261529] [2021-10-21 20:07:36,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526261529] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:36,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:36,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:36,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080068198] [2021-10-21 20:07:36,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:36,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:36,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:36,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:36,111 INFO L87 Difference]: Start difference. First operand 2149 states and 2780 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:39,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:39,265 INFO L93 Difference]: Finished difference Result 5857 states and 7558 transitions. [2021-10-21 20:07:39,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:07:39,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-10-21 20:07:39,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:39,277 INFO L225 Difference]: With dead ends: 5857 [2021-10-21 20:07:39,277 INFO L226 Difference]: Without dead ends: 3975 [2021-10-21 20:07:39,282 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 75.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:07:39,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3975 states. [2021-10-21 20:07:39,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3975 to 2169. [2021-10-21 20:07:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2169 states, 2156 states have (on average 1.3000927643784788) internal successors, (2803), 2168 states have internal predecessors, (2803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2803 transitions. [2021-10-21 20:07:39,466 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2803 transitions. Word has length 86 [2021-10-21 20:07:39,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:39,467 INFO L470 AbstractCegarLoop]: Abstraction has 2169 states and 2803 transitions. [2021-10-21 20:07:39,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:39,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2803 transitions. [2021-10-21 20:07:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-21 20:07:39,507 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:39,507 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:39,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 20:07:39,508 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:39,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:39,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1782949196, now seen corresponding path program 1 times [2021-10-21 20:07:39,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:39,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531209915] [2021-10-21 20:07:39,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:39,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:39,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:39,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531209915] [2021-10-21 20:07:39,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531209915] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:39,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:39,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:39,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998110392] [2021-10-21 20:07:39,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:39,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:39,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:39,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:39,652 INFO L87 Difference]: Start difference. First operand 2169 states and 2803 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:40,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:40,189 INFO L93 Difference]: Finished difference Result 7126 states and 9227 transitions. [2021-10-21 20:07:40,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:07:40,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-10-21 20:07:40,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:40,208 INFO L225 Difference]: With dead ends: 7126 [2021-10-21 20:07:40,208 INFO L226 Difference]: Without dead ends: 5242 [2021-10-21 20:07:40,213 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:07:40,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5242 states. [2021-10-21 20:07:40,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5242 to 2169. [2021-10-21 20:07:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2169 states, 2156 states have (on average 1.2954545454545454) internal successors, (2793), 2168 states have internal predecessors, (2793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2793 transitions. [2021-10-21 20:07:40,477 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2793 transitions. Word has length 86 [2021-10-21 20:07:40,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:40,478 INFO L470 AbstractCegarLoop]: Abstraction has 2169 states and 2793 transitions. [2021-10-21 20:07:40,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:40,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2793 transitions. [2021-10-21 20:07:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-21 20:07:40,479 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:40,480 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:40,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 20:07:40,480 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:40,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:40,481 INFO L82 PathProgramCache]: Analyzing trace with hash 268034802, now seen corresponding path program 1 times [2021-10-21 20:07:40,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:40,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313708815] [2021-10-21 20:07:40,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:40,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:40,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:40,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313708815] [2021-10-21 20:07:40,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313708815] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:40,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:40,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:07:40,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414725985] [2021-10-21 20:07:40,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:40,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:40,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:40,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:40,692 INFO L87 Difference]: Start difference. First operand 2169 states and 2793 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:41,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:41,553 INFO L93 Difference]: Finished difference Result 3541 states and 4547 transitions. [2021-10-21 20:07:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:07:41,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-10-21 20:07:41,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:41,562 INFO L225 Difference]: With dead ends: 3541 [2021-10-21 20:07:41,562 INFO L226 Difference]: Without dead ends: 3486 [2021-10-21 20:07:41,563 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:41,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2021-10-21 20:07:41,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 2214. [2021-10-21 20:07:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 2201 states have (on average 1.2925942753293957) internal successors, (2845), 2213 states have internal predecessors, (2845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 2845 transitions. [2021-10-21 20:07:41,836 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 2845 transitions. Word has length 86 [2021-10-21 20:07:41,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:41,837 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 2845 transitions. [2021-10-21 20:07:41,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2845 transitions. [2021-10-21 20:07:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-21 20:07:41,839 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:41,839 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:41,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 20:07:41,839 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:41,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:41,840 INFO L82 PathProgramCache]: Analyzing trace with hash -642776665, now seen corresponding path program 1 times [2021-10-21 20:07:41,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:41,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491689717] [2021-10-21 20:07:41,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:41,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:41,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:41,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:41,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491689717] [2021-10-21 20:07:41,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491689717] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:41,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:41,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:41,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596273372] [2021-10-21 20:07:41,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:41,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:41,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:41,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:41,985 INFO L87 Difference]: Start difference. First operand 2214 states and 2845 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:49,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:49,313 INFO L93 Difference]: Finished difference Result 4028 states and 5175 transitions. [2021-10-21 20:07:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:07:49,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2021-10-21 20:07:49,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:49,320 INFO L225 Difference]: With dead ends: 4028 [2021-10-21 20:07:49,320 INFO L226 Difference]: Without dead ends: 3967 [2021-10-21 20:07:49,321 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 32.0ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:07:49,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2021-10-21 20:07:49,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 2225. [2021-10-21 20:07:49,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2225 states, 2212 states have (on average 1.2915913200723328) internal successors, (2857), 2224 states have internal predecessors, (2857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 2857 transitions. [2021-10-21 20:07:49,568 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 2857 transitions. Word has length 92 [2021-10-21 20:07:49,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:49,568 INFO L470 AbstractCegarLoop]: Abstraction has 2225 states and 2857 transitions. [2021-10-21 20:07:49,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2857 transitions. [2021-10-21 20:07:49,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-21 20:07:49,570 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:49,570 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:49,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 20:07:49,571 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:49,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:49,571 INFO L82 PathProgramCache]: Analyzing trace with hash -2144683865, now seen corresponding path program 1 times [2021-10-21 20:07:49,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:49,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994782571] [2021-10-21 20:07:49,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:49,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:49,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:49,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994782571] [2021-10-21 20:07:49,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994782571] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:49,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:49,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:49,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7479449] [2021-10-21 20:07:49,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:49,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:49,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:49,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:49,791 INFO L87 Difference]: Start difference. First operand 2225 states and 2857 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:53,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:53,595 INFO L93 Difference]: Finished difference Result 6090 states and 7800 transitions. [2021-10-21 20:07:53,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:07:53,595 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-10-21 20:07:53,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:53,604 INFO L225 Difference]: With dead ends: 6090 [2021-10-21 20:07:53,605 INFO L226 Difference]: Without dead ends: 4138 [2021-10-21 20:07:53,609 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 46.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:07:53,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4138 states. [2021-10-21 20:07:53,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4138 to 2236. [2021-10-21 20:07:53,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 2223 states have (on average 1.2905982905982907) internal successors, (2869), 2235 states have internal predecessors, (2869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2869 transitions. [2021-10-21 20:07:53,871 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2869 transitions. Word has length 93 [2021-10-21 20:07:53,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:53,872 INFO L470 AbstractCegarLoop]: Abstraction has 2236 states and 2869 transitions. [2021-10-21 20:07:53,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:53,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2869 transitions. [2021-10-21 20:07:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-21 20:07:53,874 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:53,874 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:53,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 20:07:53,874 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:53,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:53,875 INFO L82 PathProgramCache]: Analyzing trace with hash 607900007, now seen corresponding path program 1 times [2021-10-21 20:07:53,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:53,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665803223] [2021-10-21 20:07:53,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:53,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:54,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:54,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:54,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665803223] [2021-10-21 20:07:54,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665803223] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:54,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:54,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:54,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347942979] [2021-10-21 20:07:54,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:07:54,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:54,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:07:54,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:07:54,073 INFO L87 Difference]: Start difference. First operand 2236 states and 2869 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:54,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:54,936 INFO L93 Difference]: Finished difference Result 4362 states and 5593 transitions. [2021-10-21 20:07:54,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:07:54,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-10-21 20:07:54,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:54,947 INFO L225 Difference]: With dead ends: 4362 [2021-10-21 20:07:54,947 INFO L226 Difference]: Without dead ends: 4243 [2021-10-21 20:07:54,950 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:07:54,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4243 states. [2021-10-21 20:07:55,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4243 to 2245. [2021-10-21 20:07:55,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2245 states, 2232 states have (on average 1.2898745519713262) internal successors, (2879), 2244 states have internal predecessors, (2879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2879 transitions. [2021-10-21 20:07:55,201 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2879 transitions. Word has length 93 [2021-10-21 20:07:55,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:55,201 INFO L470 AbstractCegarLoop]: Abstraction has 2245 states and 2879 transitions. [2021-10-21 20:07:55,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:55,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2879 transitions. [2021-10-21 20:07:55,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-21 20:07:55,203 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:55,204 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:55,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 20:07:55,204 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:55,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:55,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1307096688, now seen corresponding path program 1 times [2021-10-21 20:07:55,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:55,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520232315] [2021-10-21 20:07:55,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:55,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:55,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:55,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:55,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520232315] [2021-10-21 20:07:55,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520232315] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:55,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:55,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:55,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496670098] [2021-10-21 20:07:55,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:55,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:55,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:55,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:55,344 INFO L87 Difference]: Start difference. First operand 2245 states and 2879 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:55,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:55,770 INFO L93 Difference]: Finished difference Result 4141 states and 5304 transitions. [2021-10-21 20:07:55,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:55,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-10-21 20:07:55,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:55,776 INFO L225 Difference]: With dead ends: 4141 [2021-10-21 20:07:55,776 INFO L226 Difference]: Without dead ends: 2190 [2021-10-21 20:07:55,780 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:55,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2021-10-21 20:07:56,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 2180. [2021-10-21 20:07:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2180 states, 2167 states have (on average 1.2833410244577756) internal successors, (2781), 2179 states have internal predecessors, (2781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 2781 transitions. [2021-10-21 20:07:56,108 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 2781 transitions. Word has length 98 [2021-10-21 20:07:56,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:56,109 INFO L470 AbstractCegarLoop]: Abstraction has 2180 states and 2781 transitions. [2021-10-21 20:07:56,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:56,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2781 transitions. [2021-10-21 20:07:56,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-21 20:07:56,111 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:56,111 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:56,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 20:07:56,112 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:07:56,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:56,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1984260860, now seen corresponding path program 1 times [2021-10-21 20:07:56,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:56,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500238197] [2021-10-21 20:07:56,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:56,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:56,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:56,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500238197] [2021-10-21 20:07:56,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500238197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:56,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:56,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:56,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501528639] [2021-10-21 20:07:56,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:56,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:56,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:56,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:56,244 INFO L87 Difference]: Start difference. First operand 2180 states and 2781 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:00,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:00,684 INFO L93 Difference]: Finished difference Result 2190 states and 2788 transitions. [2021-10-21 20:08:00,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:08:00,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-10-21 20:08:00,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:00,689 INFO L225 Difference]: With dead ends: 2190 [2021-10-21 20:08:00,689 INFO L226 Difference]: Without dead ends: 2156 [2021-10-21 20:08:00,691 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.6ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:08:00,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2021-10-21 20:08:00,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2152. [2021-10-21 20:08:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2152 states, 2140 states have (on average 1.2855140186915888) internal successors, (2751), 2151 states have internal predecessors, (2751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:01,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 2751 transitions. [2021-10-21 20:08:01,004 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 2751 transitions. Word has length 99 [2021-10-21 20:08:01,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:01,004 INFO L470 AbstractCegarLoop]: Abstraction has 2152 states and 2751 transitions. [2021-10-21 20:08:01,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2751 transitions. [2021-10-21 20:08:01,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-21 20:08:01,006 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:01,006 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:01,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-21 20:08:01,007 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:08:01,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:01,007 INFO L82 PathProgramCache]: Analyzing trace with hash 973251299, now seen corresponding path program 1 times [2021-10-21 20:08:01,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:01,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147726502] [2021-10-21 20:08:01,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:01,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:01,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:08:01,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:01,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147726502] [2021-10-21 20:08:01,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147726502] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:01,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:01,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:08:01,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043865649] [2021-10-21 20:08:01,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:08:01,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:01,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:08:01,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:08:01,147 INFO L87 Difference]: Start difference. First operand 2152 states and 2751 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:01,463 INFO L93 Difference]: Finished difference Result 2160 states and 2757 transitions. [2021-10-21 20:08:01,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:08:01,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-21 20:08:01,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:01,467 INFO L225 Difference]: With dead ends: 2160 [2021-10-21 20:08:01,467 INFO L226 Difference]: Without dead ends: 2156 [2021-10-21 20:08:01,469 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:08:01,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2021-10-21 20:08:01,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2152. [2021-10-21 20:08:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2152 states, 2140 states have (on average 1.2845794392523364) internal successors, (2749), 2151 states have internal predecessors, (2749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:01,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 2749 transitions. [2021-10-21 20:08:01,724 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 2749 transitions. Word has length 126 [2021-10-21 20:08:01,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:01,724 INFO L470 AbstractCegarLoop]: Abstraction has 2152 states and 2749 transitions. [2021-10-21 20:08:01,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:01,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2749 transitions. [2021-10-21 20:08:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-21 20:08:01,726 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:01,726 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:01,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-21 20:08:01,727 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:08:01,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:01,727 INFO L82 PathProgramCache]: Analyzing trace with hash 451476494, now seen corresponding path program 1 times [2021-10-21 20:08:01,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:01,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137740813] [2021-10-21 20:08:01,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:01,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:08:01,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:01,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137740813] [2021-10-21 20:08:01,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137740813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:01,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:01,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:08:01,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858040623] [2021-10-21 20:08:01,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:08:01,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:01,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:08:01,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:08:01,886 INFO L87 Difference]: Start difference. First operand 2152 states and 2749 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:03,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:03,984 INFO L93 Difference]: Finished difference Result 4067 states and 5172 transitions. [2021-10-21 20:08:03,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:08:03,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-21 20:08:03,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:03,989 INFO L225 Difference]: With dead ends: 4067 [2021-10-21 20:08:03,989 INFO L226 Difference]: Without dead ends: 2201 [2021-10-21 20:08:03,992 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:08:03,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2201 states. [2021-10-21 20:08:04,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2201 to 2154. [2021-10-21 20:08:04,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2154 states, 2142 states have (on average 1.284780578898226) internal successors, (2752), 2153 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:04,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2752 transitions. [2021-10-21 20:08:04,358 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2752 transitions. Word has length 131 [2021-10-21 20:08:04,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:04,358 INFO L470 AbstractCegarLoop]: Abstraction has 2154 states and 2752 transitions. [2021-10-21 20:08:04,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:04,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2752 transitions. [2021-10-21 20:08:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-21 20:08:04,360 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:04,361 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:04,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-21 20:08:04,361 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:08:04,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:04,362 INFO L82 PathProgramCache]: Analyzing trace with hash -555431090, now seen corresponding path program 1 times [2021-10-21 20:08:04,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:04,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28593554] [2021-10-21 20:08:04,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:04,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:08:04,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:04,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28593554] [2021-10-21 20:08:04,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28593554] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:08:04,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588724635] [2021-10-21 20:08:04,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:04,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:08:04,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:04,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:08:04,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:08:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:05,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:08:05,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:08:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:08:05,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588724635] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:05,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:08:05,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-10-21 20:08:05,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874195331] [2021-10-21 20:08:05,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:08:05,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:05,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:08:05,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:08:05,697 INFO L87 Difference]: Start difference. First operand 2154 states and 2752 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:05,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:05,986 INFO L93 Difference]: Finished difference Result 4018 states and 5120 transitions. [2021-10-21 20:08:05,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:08:05,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-21 20:08:05,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:05,991 INFO L225 Difference]: With dead ends: 4018 [2021-10-21 20:08:05,991 INFO L226 Difference]: Without dead ends: 2158 [2021-10-21 20:08:05,994 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:08:05,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2021-10-21 20:08:06,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2154. [2021-10-21 20:08:06,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2154 states, 2142 states have (on average 1.2829131652661065) internal successors, (2748), 2153 states have internal predecessors, (2748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2748 transitions. [2021-10-21 20:08:06,272 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2748 transitions. Word has length 131 [2021-10-21 20:08:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:06,273 INFO L470 AbstractCegarLoop]: Abstraction has 2154 states and 2748 transitions. [2021-10-21 20:08:06,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2748 transitions. [2021-10-21 20:08:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-21 20:08:06,275 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:06,276 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:06,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:06,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:08:06,493 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:08:06,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:06,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1591853852, now seen corresponding path program 1 times [2021-10-21 20:08:06,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:06,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175102629] [2021-10-21 20:08:06,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:06,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:06,687 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:08:06,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:06,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175102629] [2021-10-21 20:08:06,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175102629] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:06,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:06,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:08:06,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467577210] [2021-10-21 20:08:06,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:08:06,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:06,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:08:06,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:06,691 INFO L87 Difference]: Start difference. First operand 2154 states and 2748 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:07,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:07,069 INFO L93 Difference]: Finished difference Result 4077 states and 5182 transitions. [2021-10-21 20:08:07,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:08:07,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-21 20:08:07,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:07,075 INFO L225 Difference]: With dead ends: 4077 [2021-10-21 20:08:07,075 INFO L226 Difference]: Without dead ends: 2217 [2021-10-21 20:08:07,079 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:07,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2021-10-21 20:08:07,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2124. [2021-10-21 20:08:07,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2124 states, 2112 states have (on average 1.2727272727272727) internal successors, (2688), 2123 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:07,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 2688 transitions. [2021-10-21 20:08:07,405 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 2688 transitions. Word has length 139 [2021-10-21 20:08:07,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:07,405 INFO L470 AbstractCegarLoop]: Abstraction has 2124 states and 2688 transitions. [2021-10-21 20:08:07,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2688 transitions. [2021-10-21 20:08:07,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-21 20:08:07,408 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:07,408 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:07,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-21 20:08:07,409 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-10-21 20:08:07,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:07,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1634788380, now seen corresponding path program 1 times [2021-10-21 20:08:07,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:07,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123886045] [2021-10-21 20:08:07,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:07,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:08:08,315 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:08:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:08:09,396 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:08:09,397 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:08:09,398 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,403 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,403 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,403 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,403 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,403 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:09,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-21 20:08:09,411 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:08:09,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:08:09 BoogieIcfgContainer [2021-10-21 20:08:09,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:08:09,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:08:09,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:08:09,859 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:08:09,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:10" (3/4) ... [2021-10-21 20:08:09,863 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:08:09,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:08:09,865 INFO L168 Benchmark]: Toolchain (without parser) took 68185.24 ms. Allocated memory was 111.1 MB in the beginning and 750.8 MB in the end (delta: 639.6 MB). Free memory was 72.6 MB in the beginning and 377.2 MB in the end (delta: -304.6 MB). Peak memory consumption was 335.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:09,865 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 111.1 MB. Free memory is still 66.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:08:09,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2685.99 ms. Allocated memory was 111.1 MB in the beginning and 243.3 MB in the end (delta: 132.1 MB). Free memory was 72.6 MB in the beginning and 126.8 MB in the end (delta: -54.2 MB). Peak memory consumption was 84.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:09,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 433.94 ms. Allocated memory is still 243.3 MB. Free memory was 126.8 MB in the beginning and 184.2 MB in the end (delta: -57.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:09,867 INFO L168 Benchmark]: Boogie Preprocessor took 316.13 ms. Allocated memory is still 243.3 MB. Free memory was 184.2 MB in the beginning and 163.2 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:09,868 INFO L168 Benchmark]: RCFGBuilder took 5857.30 ms. Allocated memory is still 243.3 MB. Free memory was 163.2 MB in the beginning and 82.4 MB in the end (delta: 80.8 MB). Peak memory consumption was 121.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:09,868 INFO L168 Benchmark]: TraceAbstraction took 58872.79 ms. Allocated memory was 243.3 MB in the beginning and 750.8 MB in the end (delta: 507.5 MB). Free memory was 81.4 MB in the beginning and 377.2 MB in the end (delta: -295.8 MB). Peak memory consumption was 363.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:09,868 INFO L168 Benchmark]: Witness Printer took 5.29 ms. Allocated memory is still 750.8 MB. Free memory is still 377.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:08:09,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 111.1 MB. Free memory is still 66.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2685.99 ms. Allocated memory was 111.1 MB in the beginning and 243.3 MB in the end (delta: 132.1 MB). Free memory was 72.6 MB in the beginning and 126.8 MB in the end (delta: -54.2 MB). Peak memory consumption was 84.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 433.94 ms. Allocated memory is still 243.3 MB. Free memory was 126.8 MB in the beginning and 184.2 MB in the end (delta: -57.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 316.13 ms. Allocated memory is still 243.3 MB. Free memory was 184.2 MB in the beginning and 163.2 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5857.30 ms. Allocated memory is still 243.3 MB. Free memory was 163.2 MB in the beginning and 82.4 MB in the end (delta: 80.8 MB). Peak memory consumption was 121.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 58872.79 ms. Allocated memory was 243.3 MB in the beginning and 750.8 MB in the end (delta: 507.5 MB). Free memory was 81.4 MB in the beginning and 377.2 MB in the end (delta: -295.8 MB). Peak memory consumption was 363.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.29 ms. Allocated memory is still 750.8 MB. Free memory is still 377.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6635, overapproximation of bitwiseOr at line 5696, overapproximation of shiftLeft at line 5141, overapproximation of bitwiseAnd at line 4928. Possible FailurePath: [L5170-L5181] static char const __mod_author63[40] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'a', (char const )'u', (char const )'t', (char const )'h', (char const )'o', (char const )'r', (char const )'=', (char const )'V', (char const )'o', (char const )'j', (char const )'t', (char const )'e', (char const )'c', (char const )'h', (char const )' ', (char const )'P', (char const )'a', (char const )'v', (char const )'l', (char const )'i', (char const )'k', (char const )' ', (char const )'<', (char const )'v', (char const )'o', (char const )'j', (char const )'t', (char const )'e', (char const )'c', (char const )'h', (char const )'@', (char const )'s', (char const )'u', (char const )'s', (char const )'e', (char const )'.', (char const )'c', (char const )'z', (char const )'>', (char const )'\000'}; [L5182-L5197] static char const __mod_description64[53] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'d', (char const )'e', (char const )'s', (char const )'c', (char const )'r', (char const )'i', (char const )'p', (char const )'t', (char const )'i', (char const )'o', (char const )'n', (char const )'=', (char const )'C', (char const )'A', (char const )'T', (char const )'C', (char const )' ', (char const )'E', (char const )'L', (char const )'1', (char const )'2', (char const )'1', (char const )'0', (char const )'A', (char const )' ', (char const )'N', (char const )'e', (char const )'t', (char const )'M', (char const )'a', (char const )'t', (char const )'e', (char const )' ', (char const )'U', (char const )'S', (char const )'B', (char const )' ', (char const )'E', (char const )'t', (char const )'h', (char const )'e', (char const )'r', (char const )'n', (char const )'e', (char const )'t', (char const )' ', (char const )'d', (char const )'r', (char const )'i', (char const )'v', (char const )'e', (char const )'r', (char const )'\000'}; [L5198-L5202] static char const __mod_license65[12] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'l', (char const )'i', (char const )'c', (char const )'e', (char const )'n', (char const )'s', (char const )'e', (char const )'=', (char const )'G', (char const )'P', (char const )'L', (char const )'\000'}; [L5203-L5204] static char const driver_name[5] = { (char const )'c', (char const )'a', (char const )'t', (char const )'c', (char const )'\000'}; [L6129-L6176] static struct ethtool_ops const ops = {& catc_get_settings, (int (*)(struct net_device * , struct ethtool_cmd * ))0, & catc_get_drvinfo, (int (*)(struct net_device * ))0, (void (*)(struct net_device * , struct ethtool_regs * , void * ))0, (void (*)(struct net_device * , struct ethtool_wolinfo * ))0, (int (*)(struct net_device * , struct ethtool_wolinfo * ))0, (u32 (*)(struct net_device * ))0, (void (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * ))0, & ethtool_op_get_link, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , struct ethtool_eeprom * , u8 * ))0, (int (*)(struct net_device * , struct ethtool_eeprom * , u8 * ))0, (int (*)(struct net_device * , struct ethtool_coalesce * ))0, (int (*)(struct net_device * , struct ethtool_coalesce * ))0, (void (*)(struct net_device * , struct ethtool_ringparam * ))0, (int (*)(struct net_device * , struct ethtool_ringparam * ))0, (void (*)(struct net_device * , struct ethtool_pauseparam * ))0, (int (*)(struct net_device * , struct ethtool_pauseparam * ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (void (*)(struct net_device * , struct ethtool_test * , u64 * ))0, (void (*)(struct net_device * , u32 stringset , u8 * ))0, (int (*)(struct net_device * , enum ethtool_phys_id_state ))0, (void (*)(struct net_device * , struct ethtool_stats * , u64 * ))0, (int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct ethtool_rxnfc * , void * ))0, (int (*)(struct net_device * , struct ethtool_rxnfc * ))0, (int (*)(struct net_device * , struct ethtool_flash * ))0, (int (*)(struct net_device * , u32 * ))0, (int (*)(struct net_device * , struct ethtool_rx_ntuple * ))0, (int (*)(struct net_device * , u32 stringset , void * ))0, (int (*)(struct net_device * , struct ethtool_rxfh_indir * ))0, (int (*)(struct net_device * , struct ethtool_rxfh_indir const * ))0, (void (*)(struct net_device * , struct ethtool_channels * ))0, (int (*)(struct net_device * , struct ethtool_channels * ))0, (int (*)(struct net_device * , struct ethtool_dump * ))0, (int (*)(struct net_device * , struct ethtool_dump * , void * ))0, (int (*)(struct net_device * , struct ethtool_dump * ))0}; [L6231-L6269] static struct net_device_ops const catc_netdev_ops = {(int (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, & catc_open, & catc_stop, & catc_start_xmit, (u16 (*)(struct net_device *dev , struct sk_buff *skb ))0, (void (*)(struct net_device *dev , int flags ))0, (void (*)(struct net_device *dev ))0, & catc_set_multicast_list, & eth_mac_addr, & eth_validate_addr, (int (*)(struct net_device *dev , struct ifreq *ifr , int cmd ))0, (int (*)(struct net_device *dev , struct ifmap *map ))0, & eth_change_mtu, (int (*)(struct net_device *dev , struct neigh_parms * ))0, & catc_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device *dev , struct rtnl_link_stats64 *storage ))0, (struct net_device_stats *(*)(struct net_device *dev ))0, (void (*)(struct net_device *dev , struct vlan_group *grp ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct netpoll_info *info ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , int queue , u8 *mac ))0, (int (*)(struct net_device *dev , int queue , u16 vlan , u8 qos ))0, (int (*)(struct net_device *dev , int vf , int rate ))0, (int (*)(struct net_device *dev , int vf , struct ifla_vf_info *ivf ))0, (int (*)(struct net_device *dev , int vf , struct nlattr **port ))0, (int (*)(struct net_device *dev , int vf , struct sk_buff *skb ))0, (int (*)(struct net_device *dev , u8 tc ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u16 xid ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u64 *wwn , int type ))0, (int (*)(struct net_device *dev , struct sk_buff const *skb , u16 rxq_index , u32 flow_id ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (u32 (*)(struct net_device *dev , u32 features ))0, (int (*)(struct net_device *dev , u32 features ))0}; [L6270] static struct lock_class_key __key___9 ; [L6271] static struct lock_class_key __key___10 ; [L6272] static struct lock_class_key __key___11 ; [L6684-L6692] static struct usb_device_id catc_id_table[3] = { {(__u16 )3, (__u16 )1059, (__u16 )10, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {(__u16 )3, (__u16 )1059, (__u16 )12, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {(__u16 )3, (__u16 )2257, (__u16 )1, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L6695-L6710] static struct usb_driver catc_driver = {driver_name, & catc_probe, & catc_disconnect, (int (*)(struct usb_interface *intf , unsigned int code , void *buf ))0, (int (*)(struct usb_interface *intf , pm_message_t message ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (struct usb_device_id const *)(catc_id_table), {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}, {{(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device *dev ))0, (int (*)(struct device *dev ))0, (void (*)(struct device *dev ))0, (int (*)(struct device *dev , pm_message_t state ))0, (int (*)(struct device *dev ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, 0}, 0U, 0U, 0U}; [L6763] int LDV_IN_INTERRUPT ; [L6764] static int res_catc_open_15 ; [L6765] static int res_catc_stop_16 ; [L6766] static int res_catc_probe_17 ; [L6959] int ldv_urb_state = 0; [L6960] int ldv_coherent_state = 0; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=0, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6768] struct net_device *var_group1 ; [L6769] struct ethtool_drvinfo *var_group2 ; [L6770] struct ethtool_cmd *var_group3 ; [L6771] struct sk_buff *var_group4 ; [L6772] struct usb_interface *var_group5 ; [L6773] struct usb_device_id const *var_catc_probe_17_p1 ; [L6774] unsigned long var_catc_stats_timer_10_p0 ; [L6775] int tmp___7 ; [L6776] int ldv_s_catc_netdev_ops_net_device_ops ; [L6777] int ldv_s_catc_driver_usb_driver ; [L6778] int tmp___8 ; [L6779] int tmp___9 ; [L6782] LDV_IN_INTERRUPT = 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6714] int result ; [L6715] int tmp___7 ; [L5088] int tmp___7 ; [L7209] return __VERIFIER_nondet_int(); [L5091] tmp___7 = usb_register_driver(driver, & __this_module, "catc") [L5093] return (tmp___7); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6718] tmp___7 = usb_register(& catc_driver) [L6719] result = tmp___7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6721] COND TRUE result == 0 [L6727] return (result); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6784] tmp___7 = catc_init() [L6786] COND FALSE !(\read(tmp___7)) [L6790] ldv_s_catc_netdev_ops_net_device_ops = 0 [L6791] ldv_s_catc_driver_usb_driver = 0 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6793] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6796] tmp___9 = __VERIFIER_nondet_int() [L6798] COND TRUE \read(tmp___9) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6807] tmp___8 = __VERIFIER_nondet_int() [L6809] COND FALSE !(tmp___8 == 0) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6812] COND FALSE !(tmp___8 == 1) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6815] COND FALSE !(tmp___8 == 2) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6818] COND FALSE !(tmp___8 == 3) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6821] COND FALSE !(tmp___8 == 4) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6824] COND FALSE !(tmp___8 == 5) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6827] COND FALSE !(tmp___8 == 6) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6830] COND TRUE tmp___8 == 7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6895] COND TRUE ldv_s_catc_driver_usb_driver == 0 [L6274] struct usb_device *usbdev ; [L6275] struct usb_device *tmp___7 ; [L6276] struct net_device *netdev ; [L6277] struct catc *catc ; [L6278] u8 broadcast[6] ; [L6279] int i ; [L6280] int pktsz ; [L6281] int tmp___8 ; [L6282] void *tmp___9 ; [L6283] unsigned int tmp___10 ; [L6284] unsigned int tmp___11 ; [L6285] unsigned int tmp___12 ; [L6286] unsigned int tmp___13 ; [L6287] char const *tmp___14 ; [L6288] int tmp___15 ; [L5065] struct device const *__mptr ; [L5067] EXPR intf->dev.parent [L5067] __mptr = (struct device const *)intf->dev.parent [L5068] return ((struct usb_device *)((char *)__mptr - (unsigned int )(& ((struct usb_device *)0)->dev))); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6291] tmp___7 = interface_to_usbdev(intf) [L6292] usbdev = tmp___7 [L6293] EXPR intf->altsetting [L6293] EXPR (intf->altsetting)->desc.bInterfaceNumber [L7213] return __VERIFIER_nondet_int(); [L6293-L6294] tmp___8 = usb_set_interface(usbdev, (int )(intf->altsetting)->desc.bInterfaceNumber, 1) [L6296] COND FALSE !(\read(tmp___8)) [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7117] return ldv_malloc(sizeof(struct net_device)); [L6304] netdev = alloc_etherdev_mqs((int )sizeof(struct catc ), 1U, 1U) [L6306] COND FALSE !(! netdev) [L4928] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6311] tmp___9 = netdev_priv((struct net_device const *)netdev) [L6312] catc = (struct catc *)tmp___9 [L6313] netdev->netdev_ops = & catc_netdev_ops [L6314] netdev->watchdog_timeo = 1250 [L6315] netdev->ethtool_ops = & ops [L6316] catc->usbdev = usbdev [L6317] catc->netdev = netdev VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6320] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4851] return (& lock->__annonCompField18.rlock); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6326] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6343] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4851] return (& lock->__annonCompField18.rlock); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6349] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6366] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6377] catc->timer.data = (unsigned long )((long )catc) [L6378] catc->timer.function = & catc_stats_timer [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] return ldv_malloc(0UL); [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6379] catc->ctrl_urb = usb_alloc_urb(0, 208U) [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] return ldv_malloc(0UL); [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6380] catc->tx_urb = usb_alloc_urb(0, 208U) [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] return ldv_malloc(0UL); [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6381] catc->rx_urb = usb_alloc_urb(0, 208U) [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] return ldv_malloc(0UL); [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6382] catc->irq_urb = usb_alloc_urb(0, 208U) [L6384] EXPR catc->ctrl_urb VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6384] COND FALSE !(! catc->ctrl_urb) [L6387] EXPR catc->tx_urb VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6387] COND FALSE !(! catc->tx_urb) [L6390] EXPR catc->rx_urb VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6390] COND FALSE !(! catc->rx_urb) [L6393] EXPR catc->irq_urb VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6393] COND FALSE !(! catc->irq_urb) [L6406] EXPR usbdev->descriptor.idVendor VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6406] COND FALSE !((int )usbdev->descriptor.idVendor == 1059) [L6429] pktsz = 23070 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6432] tmp___10 = __create_pipe(usbdev, 0U) [L6433] catc->ctrl_urb [L5103] urb->dev = dev [L5104] urb->pipe = pipe [L5105] urb->setup_packet = setup_packet [L5106] urb->transfer_buffer = transfer_buffer [L5107] urb->transfer_buffer_length = (u32 )buffer_length [L5108] urb->complete = complete_fn [L5109] urb->context = context VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6436] tmp___11 = __create_pipe(usbdev, 1U) [L6437] catc->tx_urb [L5119] urb->dev = dev [L5120] urb->pipe = pipe [L5121] urb->transfer_buffer = transfer_buffer [L5122] urb->transfer_buffer_length = (u32 )buffer_length [L5123] urb->complete = complete_fn [L5124] urb->context = context VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6439] tmp___12 = __create_pipe(usbdev, 1U) [L6440] catc->rx_urb [L5119] urb->dev = dev [L5120] urb->pipe = pipe [L5121] urb->transfer_buffer = transfer_buffer [L5122] urb->transfer_buffer_length = (u32 )buffer_length [L5123] urb->complete = complete_fn [L5124] urb->context = context VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6442] tmp___13 = __create_pipe(usbdev, 2U) [L6443] catc->irq_urb [L5134] urb->dev = dev [L5135] urb->pipe = pipe [L5136] urb->transfer_buffer = transfer_buffer [L5137] urb->transfer_buffer_length = (u32 )buffer_length [L5138] urb->complete = complete_fn [L5139] urb->context = context [L5140] EXPR dev->speed VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5140] COND TRUE (unsigned int )dev->speed == 3U [L5141] urb->interval = 1 << (interval - 1) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5148] urb->start_frame = -1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6446] EXPR catc->is_f5u011 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6446] COND FALSE !(! catc->is_f5u011) [L6599] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5684] COND FALSE !(\read(dir)) [L5691] EXPR catc->usbdev [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5691] tmp___8 = __create_pipe(catc->usbdev, 0U) [L5692] tmp___9 = (unsigned int )(2 << 30) | tmp___8 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5696] EXPR catc->usbdev [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5705] return (tmp___11); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6608] netdev->dev_addr [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5684] COND TRUE \read(dir) [L5686] EXPR catc->usbdev [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5686] tmp___7 = __create_pipe(catc->usbdev, 0U) [L5687] tmp___9 = ((unsigned int )(2 << 30) | tmp___7) | 128U VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5696] EXPR catc->usbdev [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5705] return (tmp___11); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6612] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6620] catc->rxmode[0] = (u8 )11 [L6621] catc->rxmode[1] = (u8 )0 [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5684] COND FALSE !(\read(dir)) [L5691] EXPR catc->usbdev [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5691] tmp___8 = __create_pipe(catc->usbdev, 0U) [L5692] tmp___9 = (unsigned int )(2 << 30) | tmp___8 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5696] EXPR catc->usbdev [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5705] return (tmp___11); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6627] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6634] catc->is_f5u011 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6634] COND TRUE catc->is_f5u011 [L6635] tmp___14 = "Belkin F5U011" VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6640] EXPR usbdev->bus [L6640] (usbdev->bus)->bus_name [L6641] netdev->dev_addr [L7138] return __VERIFIER_nondet_int(); [L6643] netdev->dev.parent = & intf->dev [L7187] return __VERIFIER_nondet_int(); [L6644] tmp___15 = register_netdev(netdev) [L6646] COND FALSE !(tmp___15 != 0) [L6658] return (0); [L6658] return (0); [L6658] return (0); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6897] res_catc_probe_17 = catc_probe(var_group5, var_catc_probe_17_p1) [L6900] COND FALSE !(\read(res_catc_probe_17)) [L6904] ldv_s_catc_driver_usb_driver = ldv_s_catc_driver_usb_driver + 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6793] COND TRUE 1 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6796] tmp___9 = __VERIFIER_nondet_int() [L6798] COND TRUE \read(tmp___9) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6807] tmp___8 = __VERIFIER_nondet_int() [L6809] COND FALSE !(tmp___8 == 0) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6812] COND FALSE !(tmp___8 == 1) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6815] COND TRUE tmp___8 == 2 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6852] COND TRUE ldv_s_catc_netdev_ops_net_device_ops == 0 [L6178] struct catc *catc ; [L6179] void *tmp___7 ; [L6180] int status ; [L4928] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6183] tmp___7 = netdev_priv((struct net_device const *)netdev) [L6184] catc = (struct catc *)tmp___7 [L6185] EXPR catc->irq_urb [L6185] EXPR catc->usbdev [L6185] (catc->irq_urb)->dev = catc->usbdev [L6186] EXPR catc->irq_urb [L7217] return __VERIFIER_nondet_int(); [L6186] status = usb_submit_urb(catc->irq_urb, 208U) [L6188] COND TRUE status < 0 [L6192] return (-1); VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6854] res_catc_open_15 = catc_open(var_group1) [L6857] COND TRUE res_catc_open_15 < 0 VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] [L7081] COND FALSE !(ldv_urb_state == 0) VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] [L6946] reach_error() VAL [__key___10={94:0}, __key___11={102:0}, __key___9={127:0}, __this_module={18446744073709551687:18446744073709551648}, catc_driver={98:0}, catc_id_table={119:0}, catc_netdev_ops={103:0}, driver_name={113:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={57:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 689 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 58345.2ms, OverallIterations: 23, TraceHistogramMax: 2, EmptinessCheckTime: 109.1ms, AutomataDifference: 45371.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 26688 SDtfs, 26255 SDslu, 45548 SDs, 0 SdLazy, 5258 SolverSat, 331 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36714.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 183 SyntacticMatches, 6 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 532.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2756occurred in iteration=8, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4727.3ms AutomataMinimizationTime, 22 MinimizatonAttempts, 20949 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 347.9ms SsaConstructionTime, 2550.0ms SatisfiabilityAnalysisTime, 3154.7ms InterpolantComputationTime, 2118 NumberOfCodeBlocks, 2118 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1956 ConstructedInterpolants, 0 QuantifiedInterpolants, 4857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2217 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 23 InterpolantComputations, 22 PerfectInterpolantSequences, 25/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 20:08:09,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:08:12,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:08:12,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:08:12,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:08:12,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:08:12,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:08:12,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:08:12,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:08:12,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:08:12,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:08:12,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:08:12,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:08:12,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:08:12,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:08:12,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:08:12,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:08:12,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:08:12,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:08:12,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:08:12,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:08:12,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:08:12,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:08:12,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:08:12,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:08:12,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:08:12,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:08:12,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:08:12,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:08:12,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:08:12,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:08:12,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:08:12,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:08:12,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:08:12,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:08:12,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:08:12,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:08:12,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:08:12,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:08:12,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:08:12,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:08:12,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:08:12,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-21 20:08:12,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:08:12,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:08:12,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:08:12,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:08:12,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:08:12,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:08:12,623 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:08:12,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:08:12,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:08:12,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:08:12,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:08:12,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:08:12,625 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:08:12,625 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:08:12,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:08:12,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:08:12,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:08:12,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:08:12,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:08:12,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:08:12,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:08:12,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:08:12,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:08:12,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:08:12,629 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:08:12,629 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:08:12,629 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:08:12,630 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:08:12,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:08:12,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:08:12,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:08:12,631 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c [2021-10-21 20:08:13,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:08:13,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:08:13,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:08:13,081 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:08:13,082 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:08:13,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-10-21 20:08:13,155 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/data/322a6fc83/3ec4bac515bf45d086ed818a8bba747f/FLAGc5c9b7298 [2021-10-21 20:08:14,055 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:08:14,057 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-10-21 20:08:14,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/data/322a6fc83/3ec4bac515bf45d086ed818a8bba747f/FLAGc5c9b7298 [2021-10-21 20:08:14,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a235f88-c71e-4827-bbc9-4d85ce76154c/bin/uautomizer-j4sWxH34Be/data/322a6fc83/3ec4bac515bf45d086ed818a8bba747f [2021-10-21 20:08:14,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:08:14,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:08:14,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:08:14,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:08:14,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:08:14,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:08:14" (1/1) ... [2021-10-21 20:08:14,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422801dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:08:14, skipping insertion in model container [2021-10-21 20:08:14,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:08:14" (1/1) ... [2021-10-21 20:08:14,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:08:14,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:08:15,716 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: only flexible array member at the end can have non-constant size at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeMemberOffset(TypeSizeAndOffsetComputer.java:583) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:304) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:203) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructOffsetForField(TypeSizeAndOffsetComputer.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructOffsetForField(TypeSizeAndOffsetComputer.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:139) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1415) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:713) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1359) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-21 20:08:15,728 INFO L168 Benchmark]: Toolchain (without parser) took 1169.53 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 52.3 MB in the beginning and 65.8 MB in the end (delta: -13.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:15,730 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 75.5 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:08:15,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1161.18 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 52.0 MB in the beginning and 65.8 MB in the end (delta: -13.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:15,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 75.5 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1161.18 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 52.0 MB in the beginning and 65.8 MB in the end (delta: -13.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: only flexible array member at the end can have non-constant size de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: only flexible array member at the end can have non-constant size: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeMemberOffset(TypeSizeAndOffsetComputer.java:583) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...